268 



Records of tJic Indian Museum. 



\'()i.. Ill, 



upper half; the umbo at the apex of the valve. Subcariua large, 

 elongate, claw-shaped, very prominent, with a Y)r ormn^nt suhcarinal 

 laius somewhat resembling it in shape on either side. Median 

 latus small, situated between the scutum and the carina, irregularly 

 triangular, with the carinal margin much shorter than either of the 

 other two and distinctly' convex towards the carina ; the basal 

 margin somewhat convex ; the main axis of the valve tangential to 

 the base of the capitulum. Two small, ])rominent, pointed latera 

 beneath the base of each scutum. The valves slightly sei)arated 

 from one another by membrane. 



Pedt'nci,e short, sparsely covered with small, triangular, 

 u])wardly pointed plates arranged in about nine irregular rows. 



Appendages, etc. — First cirri with both rami slender, the 

 anterior ramus with about ten joints and the posterior with eight ; 

 both well provided with long bristles on the distal joints. Anal 

 appendages consisting of a single joint, laterally compressed, much 

 longer than broad, somewhat curved inwards towards the abdominal 

 surface; the sides parallel, the tip bluntl}' pointed, bearing a band 

 of long hairs which extends down the ventral margin for some 

 distance as a fringe. The penis slender, pointed, not very long. 



Fig. 2. — Scalpelluni kampeni, x 5, 

 back view. 



Fig. 3. — ScalpelliiDi kutupcni, x 5, 

 front view. 



Mouth p.\rts. — Labruni slightly produced, without chitinous 

 teeth. Mandible with the outer tooth larger than and widely 

 separated from the second, which is rather smaller than the third; 

 a fairly large subsidiary tooth situated at the base of the deep 

 concavity between the first and the second ; the inner angle broadly 

 truncated, covered with short bristles, narrowly' separated from the 

 third tooth. Maxillce relatively large ; the free edge without a 

 definite incisure liut slightly sinuous as a whole ; a ])air of very 



